Hindsight Markets Small-cap stocks on August 31, 2026
ARTL on August 31, 2026: why it ran
On August 31, 2026, ARTL opened down 1.2% from the previous close of 5.96 and reached 9.96 at 9:01 a.m. ET. The exchange did not halt it.
- Previous close
- 5.96
- Open, 9:30 a.m.
- 5.89
- Gap at the open
- down 1.2%
- Pre-market high
- 9.96 at 9:01 a.m.
- High, 4 a.m. to 4 p.m.
- 9.96 at 9:01 a.m.
- Low, 4 a.m. to 4 p.m.
- 5.34
- After-hours high, 4 p.m. to 8 p.m.
- 6.36 at 4:00 p.m.
- Last trade before 4:00 p.m.
- 6.33
- Volume
- 354,138
- Relative volume
- 10.3x
- Float
- 510,398 shares, from filings as of August 31, 2026
- Shares outstanding
- 510,563
- Halts
- none in the halt feed
Why it ran
News and SEC filings for ARTL published between the previous session's close and the first minute ARTL traded 20% above it, at 9:00 a.m. ET, newest first, from the same feeds the replay shows.
No news found before the move.
How it traded
Intraday run. It opened down 1.2% at 5.89, then ran from the open to the high of 6.72 in 130 minutes.
| Time (ET) | What happened |
|---|---|
| 9:00 a.m. | First trade 20% above the previous close of 5.96 |
| 9:01 a.m. | Pre-market high, 9.96 |
| 9:01 a.m. | High of the day to the close, 9.96 |
| 9:30 a.m. | The open: 5.89, down 1.2% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 6.33, 36.4% below the high |
The shape is a fixed rule, not a judgement: gapped 10% or more at the open, ran 10% or more from the open to the high, and faded if it gave back 30% or more of that move by the close.
The day in numbers
- Volume, from the one-minute bars: 254,967 shares before the 9:30 a.m. open (72%), 27,164 in the first 30 minutes (8%), and 72,007 in the rest of the day to 8 p.m. (20%).
Halts
The exchange's halt feed shows no halts for ARTL that day.
On this date the LULD plan ran under Amendment 18, in force from February 24, 2020: no band doubling at the open, and the closing doubling only for Tier 1 stocks and Tier 2 stocks whose previous close was at or below three dollars. See LULD halts or work out a band with the LULD calculator.
Trade this day
Replay ARTL on August 31, 2026 in Hindsight Markets: the real tape, the order book and the halts, on a clock you control, and see where your orders would have filled.